Highland weather in June

In June, Highland sees average daytime highs of 83°F and overnight lows near 58°F, with 0.1 in of rain across 0.7 wet days and about 14.2 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 79°F in the first days to 87°F by the end. The sky is clear or mostly clear about 85% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of June to 14 h 18 min by month's end. Set against the rest of the year, June is Highland's 2nd-clearest and 7th-windiest month. For the whole year in context, see Highland's year-round climate.

Daytime high
83°
4th warmest
Overnight low
58°
9th coldest
Rainfall
0.1 in
0.7 wet days
Daylight
14 h 18 min
4:41 AM – 6:57 PM
Cloud cover
15%
2nd clearest
Wind
4 mph
7th windiest
Solar energy
8.39 kWh/m²
Travel score
7.8
out of 10

Highland is city in San Bernardino County, California, United States.

Density
1,121/km²
people per km²
Founded
1891

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 79°F in the first days to 87°F by the end.

A typical June day in Highland reaches about 83°F in the afternoon and slips back to 58°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 92°F. Set against its neighbours, June runs about 8°F warmer than May and about 6°F cooler than July.

40°60°80°100°151015202530
Avg high (°F)Avg low (°F)
17955
27955
37955
48055
58056
68056
78056
88156
98156
108157
118257
128257
138258
148358
158358
168358
178459
188459
198459
208560
218560
228560
238660
248661
258661
268761
278762
288762
298762
308762

How June really feels in Highland

Once humidity and wind are folded in, June averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Highland weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan57° / 40°2.25.60.9104.7
Feb58° / 40°2.76.61.110.74.8
Mar62° / 43°1.65.70.911.76.2
Apr68° / 46°0.83.30.312.87.7
May75° / 52°0.32.5013.88.7
Jun83° / 58°0.10.7014.27.8
Jul89° / 65°0.52.90145.4
Aug89° / 65°0.43013.35.3
Sep85° / 61°0.31.6012.27.2
Oct75° / 53°0.52.1011.18.8
Nov64° / 45°0.72.90.210.27.2
Dec57° / 39°1.74.60.59.84.7

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 85% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 8% of June, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18812
28911
38911
48911
58911
69010
7919
8919
9919
10919
11937
12937
13937
14946
15946
16946
17946
18946
19955
20955
21946
22946
23946
24946
25946
26937
27937
28937
29928
30928

Chance of precipitation in June

Any precipitation

Highland gets around 0.1 in of rain over 0.7 wet days in June, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
14
24
34
43
53
63
73
83
92
102
112
122
132
142
152
162
172
182
192
202
212
222
232
242
253
263
273
284
294
305

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69910
79910
89820
99820
109820
119820
129820
139820
149820
159820
169820
179820
189820
199820
209820
219820
229820
239820
249730
259631
269631
279541
289541
299352
309262

Wind in June

Winds average 4 mph in June.

Across June, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 06 min at the start of June to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:43 AM to 4:44 AM, and sunset from 6:49 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.14:436:49
214.14:436:50
314.14:436:51
414.14:426:51
514.24:426:52
614.24:426:52
714.24:426:53
814.24:426:53
914.24:416:54
1014.24:416:54
1114.24:416:55
1214.24:416:55
1314.24:416:56
1414.34:416:56
1514.34:416:57
1614.34:416:57
1714.34:416:57
1814.34:416:58
1914.34:416:58
2014.34:426:58
2114.34:426:58
2214.34:426:59
2314.34:426:59
2414.34:426:59
2514.34:436:59
2614.34:436:59
2714.34:436:59
2814.34:447:00
2914.34:447:00
3014.34:447:00

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 8.39 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.04 kWh/m² to a high of 8.39 kWh/m² in June across the year — June's 8.39 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
18.1Intense
28.2Intense
38.2Intense
48.2Intense
58.2Intense
68.2Intense
78.3Intense
88.3Intense
98.3Intense
108.3Intense
118.3Intense
128.4Intense
138.4Intense
148.4Intense
158.4Intense
168.4Intense
178.4Intense
188.5Intense
198.5Intense
208.5Intense
218.5Intense
228.5Intense
238.5Intense
248.4Intense
258.4Intense
268.4Intense
278.4Intense
288.4Intense
298.3Intense
308.3Intense
Planning a trip in June

Is June a good time to visit Highland?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.8
Sightseeing
3rd-best month of the year
8.9
Beach & pool
2nd-best month of the year

June is one of the better times to visit Highland for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Highland in June

From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In June, Highland sees daytime highs around 83°F and nights near 58°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Highland in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Highland peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 16UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Highland in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Highland is worst in September — around 30 µg/m³ PM2.5 (moderate), about 5.3× the cleanest month (December, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1427 µg/m³Dec 146 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar9Good
Apr9Good
May9Good
Jun16Moderate
Jul12Good
Aug15Moderate
Sep30Moderate
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Highland?

Highland sits at 34.1°N, 117.2°W, 1,309 ft above sea level, in United States. The nearest listed city is San Bernardino, 5.0 mi away.

Topography around Highland

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Highland.

Within 2 miles, the terrain around Highland has significant variations in elevation — a maximum elevation change of 1,558 ft around an average of 1,394 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 6,699 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 11,411 ft.

The land around Highland is covered by artificial surfaces (57%) within 2 miles, trees (28%), artificial surfaces (28%) and shrubs (24%) within 10 miles, and shrubs (29%) and bare terrain (21%) within 50 miles.

2 miles
1,558 ft
10 miles
6,699 ft
50 miles
11,411 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: San Bernardino 5.0 mi · Redlands 5.0 mi · Loma Linda 6.2 mi · Colton 6.8 mi · Rialto 9.3 mi · Bloomington 11 mi · Yucaipa 12 mi · Fontana 13 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Highland (34.1283°, -117.2087°, elevation 1,309 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).